Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.925 5.481/6.399 6.013 ± 0.6551
ea02 1342 1342/1342 1342 ± 0 6.057 5.454/6.402 6.051 ± 0.6878
ea03 1342 1342/1342 1342 ± 0 5.978 5.261/6.608 5.954 ± 0.7493
ea04 1342 1342/1342 1342 ± 0 5.304 4.867/5.722 5.331 ± 0.6141
ea05 1342 1342/1342 1342 ± 0 5.789 5.251/6.45 5.833 ± 0.7435
ea06 1342 1342/1342 1342 ± 0 5.873 4.906/5.935 5.578 ± 0.6144
ea07 1342 1342/1342 1342 ± 0 5.791 5.104/6.263 5.796 ± 0.7312
ea08 1342 1342/1342 1342 ± 0 6.32 5.561/6.716 6.273 ± 0.6945
ea09 1342 1342/1342 1342 ± 0 5.73 5.102/6.504 5.777 ± 0.7165
ea10 1342 1342/1342 1342 ± 0 5.432 4.875/5.934 5.404 ± 0.6365
ea11 1342 1342/1342 1342 ± 0.000001226 5.388 4.939/6.24 5.515 ± 0.7463
ea12 1342 1342/1342 1342 ± 0 5.465 5.084/6.063 5.608 ± 0.6723
ea13 1342 1342/1342 1342 ± 0.000001226 5.657 5.356/6.182 5.716 ± 0.6617
ea14 1342 1342/1342 1342 ± 0.000004063 6.01 5.432/6.451 5.944 ± 0.749
ea15 1342 1342/1342 1342 ± 0 6.159 5.513/6.57 6.067 ± 0.7236
ea16 1342 1342/1342 1342 ± 0 6.015 5.576/6.649 6.134 ± 0.7376
ea17 1342 1342/1342 1342 ± 0 5.972 5.615/6.726 6.162 ± 0.7689
ea18 1342 1342/1342 1342 ± 0 6.251 5.711/6.865 6.307 ± 0.7278
ea19 1342 1342/1342 1342 ± 0 5.747 5.221/6.32 5.792 ± 0.696
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.282 4.959/5.759 5.389 ± 0.4918
ea22 1342 1342/1342 1342 ± 0 5.995 5.489/6.491 6.046 ± 0.6861
ea23 1342 1342/1342 1342 ± 0 6.02 5.349/6.324 5.934 ± 0.7965
ea24 1342 1342/1342 1342 ± 0 6.121 5.158/6.576 5.854 ± 0.7433
ea25 1342 1342/1342 1342 ± 0 6.384 5.567/6.859 6.309 ± 0.8004
ea27 1342 1342/1342 1342 ± 0 5.745 5.14/6.412 5.801 ± 0.7142
ea28 1342 1342/1342 1342 ± 0 6.185 5.595/6.852 6.156 ± 0.7372
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002348 5.283 5.116/5.516 5.302 ± 0.2649
3 1342 1342/1342 1342 ± 0.00002688 4.757 4.389/5.012 4.742 ± 0.4248
4 1342 1342/1342 1342 ± 0.00002348 5.115 4.797/5.396 5.1 ± 0.3594
5 1342 1342/1342 1342 ± 0.00002348 5.267 5.041/5.553 5.314 ± 0.3075
6 1342 1342/1342 1342 ± 0.00002348 5.195 4.903/5.315 5.163 ± 0.2946
7 1342 1342/1342 1342 ± 0.00002348 5.383 5.255/5.56 5.346 ± 0.2534
8 1342 1342/1342 1342 ± 0.00002348 5.32 5.138/5.512 5.296 ± 0.2755
9 1342 1342/1342 1342 ± 0.00002348 5.647 5.439/5.841 5.628 ± 0.2879
10 1342 1342/1342 1342 ± 0.00002348 6.159 5.984/6.269 6.097 ± 0.2625
11 1342 1342/1342 1342 ± 0.00002348 6.386 6.192/6.521 6.313 ± 0.2852
12 1342 1342/1342 1342 ± 0.00002348 6.519 6.233/6.646 6.449 ± 0.3344
13 1342 1342/1342 1342 ± 0.00002348 6.909 6.665/7.199 6.889 ± 0.3497
14 1342 1342/1342 1342 ± 0.00002348 7.144 6.846/7.338 7.057 ± 0.3762
15 1342 1342/1342 1342 ± 0.00002348 6.839 6.491/7.102 6.784 ± 0.3864
16 1342 1342/1342 1342 ± 0.00002348 6.176 5.938/6.404 6.159 ± 0.3856
17 1342 1342/1342 1342 ± 0.00002348 6.194 5.899/6.346 6.114 ± 0.3823
output_dir
 
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 10:37:37.304
End
2025-07-25 11:32:38.746
Duration
0:55:01.442
Note, WebLog generation is not included in the time.

CASA logs for stage 8